#14569: Refactor configuration file existence test and exception handling

daemon/src/managerimpl.cpp

@@ -98,16 +98,28 @@ void ManagerImpl::init(const std::string &config_file)
     DEBUG("Configuration file path: %s", path_.c_str());
 
     try {
+        std::fstream testFileExistence(path_.c_str(), std::fstream::in);
+        bool fileExist = testFileExistence.good();
+        testFileExistence.close();
+
+        if(fileExist) {
             Conf::YamlParser parser(path_.c_str());
             parser.serializeEvents();
             parser.composeEvents();
             parser.constructNativeData();
             loadAccountMap(parser);
-    } catch (const Conf::YamlParserException &e) {
-        ERROR("%s", e.what());
-        fflush(stderr);
+        }
+        else {
+            WARN("Config file not found: creating default account map");
             loadDefaultAccountMap();
         }
+    }
+    catch (const Conf::YamlParserException &e) {
+        ERROR("%s", e.what());
+    }
+    catch(std::fstream::failure &e) {
+        ERROR("%s", e.what());
+    }
 
     initAudioDriver();